-The diagram above represents two identical pulses approaching each other in a uniform medium.
As the pulses meet and are superposed, the maximum displacement of the medium is?
- 6 cm
0 cm
6 cm
3 cm

The velocity of the ball as it exits the sand is 6m/s.

When the ball rolls into the sand, it experiences a force of friction acting against its motion, which causes it to slow down. The amount of frictional force depends on the properties of the sand and the ball's velocity. Assuming that the ball rolls horizontally into the sand and comes out horizontally as well, the conservation of momentum applies, which means that the momentum of the ball before it enters the sand is equal to the momentum of the ball after it exits the sand.

We can use the equation for conservation of momentum to calculate the final velocity of the ball:

Initial momentum = Final momentum

mv1 = mv2

where m is the mass of the ball, v1 is the initial velocity of the ball, and v2 is the final velocity of the ball.

Substituting the given values, we get:

2 kg x 6 m/s = 2 kg x v2

12 kg m/s = 2 kg x v2

v2 = 6 m/s

Therefore, the final velocity of the ball as it exits the sand is 6 m/s.

Learn more about momentum here:

https://brainly.com/question/1042017

#SPJ1

The energy released by the fusion of a 2.25-kg mixture of deuterium and tritium, which produces helium, is approximately [tex]2.821 * 10^{-13} J.[/tex]

The energy released by the fusion of a mixture of deuterium and tritium into helium can be calculated using the formula:

[tex]E = \Delta m \cdot c^2[/tex]

where E is the energy released, Δm is the change in mass during the fusion process, and c is the speed of light (approximately [tex]3.00 * 10^8 m/s[/tex]).

The change in mass Δm can be calculated using the difference between the mass of the reactants and the mass of the products:

[tex]\Delta m = (2 \cdot m_d + 3 \cdot m_t) - 4 \cdot m_h[/tex]

where [tex]m_d[/tex] is the mass of a deuterium nucleus (2.0141 u), [tex]m_t[/tex]is the mass of a tritium nucleus (3.0160 u), and [tex]m_h[/tex] is the mass of a helium nucleus (4.0026 u).

The mass of a nucleus in atomic mass units (u) can be converted to kilograms using the conversion factor [tex]1.66 * 10^{-27} kg/u.[/tex]

Substituting the values and simplifying, we get:

[tex]\Delta m = (2 \cdot 2.0141 \, \text{u} + 3 \cdot 3.0160 \, \text{u}) - 4 \cdot 4.0026 \, \text{u} = 0.0189 \, \text{u}[/tex]

Δm in kilograms is therefore:

[tex]\Delta m = 0.0189 \, \text{u} \cdot (1.66 \times 10^{-27} \, \text{kg/u}) = 3.134 \times 10^{-30} \, \text{kg}[/tex]

The energy released E can now be calculated:

[tex]E = \Delta m \cdot c^2 = 3.134 \times 10^{-30} \, \text{kg} \cdot (3.00 \times 10^8 \, \text{m/s})^2[/tex]

[tex]= 2.821 * 10^{-13} J[/tex]

Therefore, the energy released by the fusion of a 2.25-kg mixture of deuterium and tritium, which produces helium, is approximately [tex]2.821 * 10^{-13} J.[/tex]

For more such questions on energy , Visit:

https://brainly.com/question/13881533

#SPJ11

You can safely hold your fingers on both sides of a candle flame due mainly to convection.

Convection is the process by which heat is transferred through the movement of fluids or gases, such as air. In this case, the heated air around the candle flame rises upwards, which means the heat is not directly transferred to your fingers when they are on both sides of the flame. Therefore we can correctly say that you can safely hold your fingers on both sides of a candle flame mainly due to convection.

More on convection: https://brainly.com/question/19446911

#SPJ11

The maximum voltage induced in the loop is 82.05 volts. The EMF is negative.

The maximum voltage induced in the loop can be calculated using the formula:

EMF = -NΔΦ/Δt

Where EMF is the induced electromotive force, N is the number of turns in the loop, ΔΦ is the change in magnetic flux, and Δt is the time interval over which the change occurs.

In this case, the loop has an area of 0.08 m2 and is rotating at a constant angular speed of 87 rev/s, which corresponds to an angular velocity of 544.89 rad/s. The magnetic field is perpendicular to the axis of rotation, so the change in magnetic flux is given by:

ΔΦ = B*A*cos(θ)*Δt

Where B is the magnetic field strength, A is the area of the loop, θ is the angle between the magnetic field and the normal to the loop (which is 90 degrees in this case), and Δt is the time interval over which the change occurs.

Since the loop is rotating at a constant speed, the time interval over which the change occurs is equal to the time it takes for the loop to complete one revolution, which is:

Δt = 1/87 s

Plugging in the given values, we get:

ΔΦ = (0.08 T)*(0.08 m2)*(1)*(1/87 s) = 0.000921 Tm2/s

Next, we can calculate the induced EMF using the formula:

EMF = -NΔΦ/Δt

Plugging in the given values, we get:

EMF = -(1017)*(0.000921 Tm2/s)/(1/87 s) = -82.05 V

Since the EMF is negative, this means that the induced voltage is in the opposite direction to the direction of the current flow in the loop.

For more such questions on EMF.

https://brainly.com/question/14300059#

#SPJ11

A larger objective lens allows more light to enter, reducing the effects of diffraction, and increasing angular resolution, resulting in a sharper image.

The primary factor that contributes to a telescope's bigger objective lens producing a sharper image than a telescope with a smaller objective lens is that the larger objective lens enables more light to enter the telescope, which minimises the effects of diffraction. The image becomes blurry and loses information due to diffraction, especially at high magnifications.

A bigger objective lens's enhanced capacity for light collection also enables a higher signal-to-noise ratio, which produces a picture with more clarity and contrast. Last but not least, a bigger objective lens can accommodate a higher angular resolution, enabling the picture to resolve more information.

Learn more about the lens:

https://brainly.com/question/14055649

#SPJ4

The correct question will be: What are the three main advantages of a telescope with a bigger objective lens compared to one with a smaller objective lens?

The acceleration of the baseball is 97.56 m/s^2.

To find the acceleration of the baseball, we can use the formula for acceleration, which is acceleration = change in velocity / time. In this case, the change in velocity is 40 m/s (the final velocity) minus 0 m/s (the initial velocity), which is 40 m/s. The time is given as 0.41 s.

So, the acceleration of the baseball can be calculated as follows:

acceleration = 40 m/s / 0.41 s

acceleration = 97.56 m/s^2

This means that the velocity of the baseball is increasing by 97.56 m/s every second, which is a very high rate of acceleration. This acceleration is likely due to the force exerted by the pitcher's arm and the resistance of the air on the baseball as it travels through the air.

To learn more about : acceleration

https://brainly.com/question/460763

#SPJ11

The volume of the rectangular prism is 480 cubic centimeters.

The question asks us to find the volume of a rectangular prism with dimensions 12 cm by 8 cm by 5 cm. A rectangular prism is a 3-dimensional shape with six rectangular faces, where opposite faces are congruent and parallel.

To find the volume of a rectangular prism, we use the formula:

Volume = length x width x height

In this case, the length is 12 cm, the width is 8 cm, and the height is 5 cm. So, we substitute these values into the formula:

Volume = 12 cm x 8 cm x 5 cm

Volume = 480 cubic centimeters

To know more about Volume, here

brainly.com/question/1578538

#SPJ4

The resistance of each bulb which are connected in series is 20.571 Ω.

Let's find the resistance of each bulb using the given terms:

1. Voltage of source (V_source) = 120 V
2. Number of bulbs (n) = 10
3. Power of each bulb (P) = 7.0 W

We'll use the formula P = V²/R to find the resistance of each bulb.

1: Find the total power of the series.
Total power (P_total) = n * P = 10 * 7.0 W = 70 W

2: Find the total resistance of the series.
Using the formula P_total = V_source^2 / R_total, we can find R_total:
R_total = V_source² / P_total = (120 V)² / 70 W = 14400 / 70 = 205.71 Ω

3: Find the resistance of each bulb.

Since the bulbs are connected in series, the total resistance is the sum of the individual resistances. Therefore, we can find the resistance of each bulb (R_bulb) as follows:

R_bulb = R_total / n = 205.71 Ω / 10 = 20.571 Ω

So, the resistance of each bulb is approximately 20.571 Ω.

Learn more about resistance:

https://brainly.com/question/24858512

#SPJ11

The rate at which the current must be changed to produce a 60 v emf in the inductor should be -5.45A/s.

The rate at which the current needs to be changed in order to produce a 60V emf in the 11H inductor can be calculated using Faraday's law of electromagnetic induction.

According to this law, the induced emf is proportional to the rate of change of current in the inductor. Therefore, we can use the formula

E = -L (dI/dt),

where E is the induced emf, L is the inductance, and dI/dt is the rate of change of current.

In this case, we know that the inductor has an inductance of 11H and is carrying a steady current of 2.0A.

We need to find the rate at which the current must be changed to produce a 60V emf.

Rearranging the formula, we get

dI/dt = -E/L = -60V/11H = -5.45A/s.

Therefore, the current must be changed at a rate of -5.45A/s to produce a 60V emf in the 11H inductor.

For more such answers on Faraday's Law

https://brainly.com/question/17012638

#SPJ11

The magnitude of the force felt by a chlorine ion with a single negative charge is [tex]-4.806 \times 10^{-18} N[/tex].

An electromagnetic flowmeter measures the flow rate of conductive fluids, such as blood, using the principles of electromagnetic induction. When a conductive fluid, such as blood, flows through a magnetic field, a voltage is induced across the fluid. The magnitude of this voltage is proportional to the velocity of the fluid and the strength of the magnetic field.

In this case, the flow rate of blood through a coronary artery is given as 15 cm/s, and the magnetic field strength is 0.20 T. To calculate the force felt by a chlorine ion with a single negative charge, we need to first calculate the induced voltage.

The induced voltage (V) is given by the equation:

V = B × v × d

Where B is the magnetic field strength, v is the velocity of the fluid, and d is the distance between the electrodes of the flowmeter. In this case, we assume the distance between the electrodes is small compared to the diameter of the artery, so we can ignore it.

Thus, V = 0.20 T × 15 cm/s

= 3 V

The force (F) felt by a charged particle in an electric field is given by the equation:

F = q × E

Where q is the charge of the particle and E is the electric field strength.

In this case, the induced voltage is proportional to the velocity of the fluid and the strength of the magnetic field, but it does not depend on the charge of the particle. Therefore, the electric field strength can be calculated by dividing the induced voltage by the distance between the electrodes:

E = V / d

= 3 V / 0.1 m

= 30 V/m

The force felt by a chlorine ion with a single negative charge can be calculated as:

F = q × E

[tex]= -1.602 \times 10^{-19} C \times 30 \frac{V}{m}[/tex]

[tex]= -4.806 \times 10^{-18} N[/tex]

To learn more about magnitude

https://brainly.com/question/14452091

#SPJ4

The temperature of a volume of air is 0 degrees Celsius. The temperature of an equivalent volume of air that is twice as hot is (D) 273 degrees C.

This is due to the fact that the absolute temperature scale, or 273.15 Kelvin (K), converts 0 degrees Celsius to K. The temperature of an identical volume of air would be twice as hot as the air at 0 degrees Celsius, or 2 times 273.15 K, or 546.3 K.

However, we must deduct 273.15 from the Kelvin temperature in order to convert this temperature back to degrees Celsius. This is so because the Celsius scale is based on the 273.15 K and 373.15 K freezing and boiling temperatures of water, respectively.

The temperature is 273.15 degrees Celsius, which is the same as the freezing point of water in Celsius, when we subtract 273.15 from 546.3 K. Consequently, 273 degrees Celsius is the right response.

Learn more about temperature scale.

https://brainly.com/question/12500590

#SPJ4

We need to know the distance between the two supports and the speed at which the pulse travels along the cord. Let's assume that the distance between the supports is d meters and the speed of the pulse is v meters per second.

We can use the formula:

time = distance / speed

to find the time it takes for the pulse to travel from one support to the other. Rearranging this formula, we get:

distance = speed x time

So, if the tension in the cord is 110 N, we still need to know the speed of the pulse to calculate the time it takes to travel the distance.

Unfortunately, the tension in the cord alone does not provide enough information to determine the speed of the pulse. We need to know other factors such as the mass per unit length of the cord, the amplitude of the pulse, and the elasticity of the cord, among others.

Therefore, we cannot provide a specific answer to this question without additional information.

To know more about distance:

https://brainly.com/question/15172156

#SPJ11

A) The magnitude force required to give a helicopter of mass M an acceleration of 0.10 g upward is F = 0.981 M N.

B) The work done by the force as the helicopter moves a distance h upward is W = 0.981 Mh N.

A) The force required to give a helicopter of mass M an acceleration of 0.10 g upward can be calculated using Newton's Second Law of Motion, which states that the force applied to an object is equal to the object's mass multiplied by its acceleration. The acceleration given is 0.10g, which can be converted to meters per second squared (m/s²) as follows:

0.10 g = 0.10 × 9.81 m/s² = 0.981 m/s²

Thus, the force required can be calculated as:

F = M × a

F = M × 0.981 N

B) To calculate the work done by the force as the helicopter moves a distance h upward, we can use the formula for work done by a constant force, which is:

W = F × d × cos(θ)

where W is the work done, F is the force applied, d is the displacement, and θ is the angle between the force and the displacement vectors. In this case, the displacement is upward and the force is also upward, so θ = 0 and cos(θ) = 1.

The work done by the force as the helicopter moves a distance h upward is:

W = F × h × cos(θ)

W = F × h

Substituting the value of F from Part A, we get:

W = 0.981 M N × h

To learn more about force the link:

https://brainly.com/question/26115859

#SPJ4

The complete question is:

A) What magnitude force is required to give a helicopter of mass M an acceleration of 0.10 g upward? Express your answer in terms of the variable M and appropriate constants.

B) What work is done by this force as the helicopter moves a distance h upward? Express your answer in terms of the variables M,h, and appropriate constants.

No, you will not accelerate.

Acceleration is the rate of change of velocity, which is a vector quantity that includes both magnitude and direction. If your velocity did not change in direction, then you did not accelerate.

In your case, you moved one meter in one second while facing north. Since your velocity did not change in direction, you did not accelerate. However, you did have a non-zero average speed of 1 meter per second over that one second interval. Speed is a scalar quantity that only includes magnitude, not direction. So, while you did not accelerate, you did have a non-zero speed for that short period of time.

To know more about acceleration, here

brainly.com/question/12550364

#SPJ4

--The complete question is, Let's say i was standing in one spot (zero speed facing north). then i took one step (one meter) and it took me a second to do so (still facing north). did i accelerate?--

is a wheel with a concave edge for supporting a moving rope that is changing direction.

A sheave is a wheel with a concave edge for supporting a moving rope that is changing direction. A sheave helps to reduce friction and increase efficiency when managing ropes in various applications.

The term you are looking for is "pulley". A pulley is a simple machine that consists of a wheel with a grooved rim or concave edge, which is designed to support a moving rope or cable and change its direction of motion. Pulleys are commonly used in various applications, such as lifting heavy objects, moving loads, and transmitting power between machines.

They can also be combined with other pulleys and mechanical systems to create complex machines that perform a wide range of tasks.

To know more about  direction of motion:

https://brainly.com/question/3421105

#SPJ11

The force needed to lift the car is 8800 N, which is its weight.

In hydraulic systems, forces are transferred from one area to another inside an incompressible fluid, such as water or oil. Most aircraft's landing gear and braking systems are hydraulic. In order to function, pneumatic systems need a compressible fluid like air.

The smaller piston received a 55 N force from the mechanic, and its surface area was 0.015 m². We may determine the pressure used by the mechanic using the pressure formula P = F/A:

P = F/A = 55 N / 0.015 m² = 3666.67 Pa

This pressure is transmitted to the larger piston with an area of 2.4 m². The force on the larger piston can be calculated using the formula F = PA:

F = PA = 3666.67 Pa x 2.4 m² = 8800 N

To know more about force visit:-

https://brainly.com/question/13191643

#SPJ1

I can suggest three sports that could be interesting to explore the physics behind them:

Golf

Skateboarding

Snowboarding/Skiing

Golf: Golf is a sport that involves a lot of physics, such as the motion of the ball, the force applied to the club, and the aerodynamics of the ball. Exploring the physics behind golf can be fascinating.

Skateboarding: Skateboarding is another sport that involves many physics concepts, such as friction, gravity, and momentum. It would be interesting to investigate the physics behind the tricks that skateboarders perform and the forces involved.

Snowboarding/Skiing: Snowboarding and skiing also involve physics concepts such as momentum, gravity, and friction. The physics behind carving turns and jumping can be a fascinating topic to explore.

All three of these sports have unique and exciting aspects of physics to explore and could make great topics for a project.

Learn more about sport on

https://brainly.com/question/1528405

#SPJ1

When a charged particle moves perpendicularly to a uniform magnetic field, its trajectory is a circle. Here option B is the correct answer.

When a charged particle moves perpendicularly to a uniform magnetic field, its trajectory follows a circular path. This phenomenon is known as the Lorentz force, named after the Dutch physicist Hendrik Lorentz who discovered it in the late 19th century.

The Lorentz force arises due to the interaction between the magnetic field and the charged particle's electric field. When a charged particle moves through a magnetic field, it experiences a force perpendicular to both the direction of its motion and the direction of the magnetic field. This force causes the charged particle to move in a circular path with a constant radius and a constant speed.

The radius of the circular path is determined by the particle's mass, charge, and speed, as well as the strength of the magnetic field. Specifically, the radius is proportional to the particle's momentum and inversely proportional to the magnetic field strength.

The circular motion of a charged particle in a magnetic field is fundamental to many applications in physics and engineering. For example, it is the basis of the operation of particle accelerators, mass spectrometers, and MRI machines.

To learn more about magnetic fields

https://brainly.com/question/3160109

#SPJ4

Complete question:

When a charged particle moves perpendicularly to a uniform magnetic field, what best describes its trajectory? when a charged particle moves perpendicularly to a uniform magnetic field, what best describes its trajectory?

A - a sinusoidal curve

B - a circle

C - a straight line

D - a parabola

Adding more mass to a 1.4-solar-mass neutron star can cause it to collapse into a black hole via a hypernova explosion.

If more mass was added to a 1.4-solar-mass neutron star, it could eventually become a black hole via a hypernova explosion. This is because the gravitational force within the star would increase, causing the star to contract and increase in density. As the density increases, the neutron star would become more and more unstable, and eventually, it would undergo a catastrophic collapse, causing a supernova explosion.

If the resulting remnant after the supernova explosion has a mass greater than about 2-3 solar masses, the gravitational force would be so strong that it would overcome the neutron degeneracy pressure and form a black hole. The process of this formation is known as a hypernova explosion, which is a type of supernova that produces a large amount of energy and ejects a significant amount of material into space.

Therefore, the most likely outcome if more mass is added to a 1.4-solar-mass neutron star is that it would eventually collapse into a black hole via a hypernova explosion.

Learn more about Hypernova explosion

brainly.com/question/31526957

#SPJ11

The wavelength of a radio wave can be calculated using the formula:

wavelength (λ) = speed of light (c) / frequency (f)

where the speed of light (c) is approximately 3 x 10^8 meters per second.

In this case, the frequency (f) of the radio wave is 94.8 MHz.

However, this value needs to be converted to units of hertz (Hz) before using the formula.

1 MHz = 1 million Hz, so:

94.8 MHz = 94.8 x 10^6 Hz

Now, we can substitute the values into the formula:

λ = c / f

λ = 3 x 10^8 m/s / (94.8 x 10^6 Hz)

λ = 3.16 meters

Therefore, the wavelength of the radio wave broadcast by the station is approximately 3.16 meters.

To know more about wavelength visit link :

https://brainly.com/question/11304922

#SPJ11

The length of the sides of the cube that has twice the mass of gold would be approximately 1.26 cm.

The density of gold is 19.3 g/cm³. Therefore, the volume of the gold cube is:

Volume = mass/density = 19.3 g / 19.3 g/cm³ = 1 cm³

Since the cube is 1 cm long on each side, the volume is equal to the length cubed:

1 cm³ = (1 cm)³

To find the length of a cube that has twice the mass of gold, we can use the relationship between mass, density, and volume:

mass = density x volume

If the mass is doubled, then we have:

2 x mass = density x volume

We know the density of gold, and we know that the volume of the new cube must be twice the volume of the original cube.

2 x mass = density x 2 x (1 cm)³

Solving for the length of the sides of the new cube,

(Length of sides)³ = 2 x (1 cm)³

Length of sides = (2 x (1 cm)³)^(1/3) = 1.26 cm (approx.)

To know more about density, here

brainly.com/question/29775886

#SPJ4

The magnitude of the force is 25 Newtons.

We can use Newton's second law, which states that the net force (F_net) acting on an object is equal to its mass (m) times its acceleration (a):

[tex]fnet = m*a[/tex]

The final velocity can be calculated using the formula:

[tex]v = d/t[/tex]

where d is the distance travelled and t is the time taken. Plugging in the values, we get:

v = 32 m / 8.0 s

v = 4.0 m/s

Therefore, the acceleration is:

a = Δv / Δt

a = 4.0 m/s / 8.0 s

a = 0.5 m/s^2

Now we can use Newton's second law to find the magnitude of the force:

F_net = 50 kg * 0.5 m/s^2

F_net = 25 N

To know more about newton's second law:

https://brainly.com/question/13447525

#SPJ4

In conclusion, the experiment aimed to determine the acceleration due to gravity by measuring the period of a simple pendulum. The experiment was performed by measuring the length of the pendulum and recording the time for 10 oscillations. The data was then used to calculate the average period and subsequently, the acceleration due to gravity using the formula: g = (4π²L)/T².

Based on the results obtained, the acceleration due to gravity was found to be (9.79 ± 0.06) m/s², which is in good agreement with the accepted value of 9.81 m/s². The small discrepancy could be due to the experimental errors such as air resistance, friction and measurement errors.

Overall, the experiment was successful in determining the acceleration due to gravity using a simple pendulum and demonstrated the relationship between the period and the length of the pendulum.

The carbon cycle involves both biotic (living) and abiotic (non-living) components.

Abiotic components of the carbon cycle include:

Atmosphere: The atmosphere is a major abiotic component of the carbon cycle. Carbon dioxide (CO2) is a greenhouse gas that makes up a small percentage of Earth's atmosphere (currently around 0.04%). Carbon dioxide is released into the atmosphere through processes such as respiration, combustion of fossil fuels, and volcanic eruptions. It can also be absorbed from the atmosphere through processes such as photosynthesis and dissolution in bodies of water.

Oceans: The world's oceans are a significant abiotic component of the carbon cycle. They act as a sink for carbon dioxide, absorbing large amounts of it from the atmosphere. Carbon dioxide dissolves in seawater to form carbonic acid, which can then undergo various chemical reactions to form bicarbonate ions and carbonate ions. These dissolved forms of carbon can be transported and stored in the deep ocean for long periods of time, a process known as oceanic carbon sequestration.

Soil: Soil is another abiotic component of the carbon cycle. Dead plant material and other organic matter that accumulates in soil can undergo decomposition by microorganisms, releasing carbon dioxide back into the atmosphere through a process called soil respiration. Additionally, carbon can be stored in soil as organic carbon, which can remain in the soil for years to centuries depending on environmental conditions.

Geological formations: Carbon can also be stored in abiotic reservoirs such as geological formations, including fossil fuels such as coal, oil, and natural gas. These fossil fuels are formed from ancient organic matter that has been buried and preserved in the Earth's crust over millions of years. When these fossil fuels are burned for energy, carbon is released into the atmosphere as carbon dioxide, contributing to the increase in atmospheric carbon dioxide concentrations.

These abiotic components of the carbon cycle play a crucial role in regulating the balance of carbon between the atmosphere, oceans, soil, and geological formations, and are important in understanding the overall carbon cycle and its impact on the Earth's climate.

Learn more about carbon cycle here: https://brainly.com/question/12005308

#SPJ1

The work done by the second engine is 2.6 times the work done by the first engine.

The work done by an engine is given by the product of power and time. The first engine works with a constant power of P, so its work done is given by W1 = P*t, where t is the observed time.

The second engine increases its power linearly with time, and its final power is 5.2P. Let the power at time t be

P(t) = kt, where k is the rate of increase of power.

At time t=0, the power is zero, so we have

P(0) = 0.

At time t, the power is kt, so we have

P(t) = kt.

When the power reaches 5.2P, we have

P(t) = 5.2P

so kt = 5.2P, and k = 5.2P/t.

The work done by the second engine is given by

W₂  = ∫P(t)

dt from 0 to t, which evaluates to

W₂ = 1/2 × k × t²

= 1/2 × 5.2P ÷ t × t²

= 2.6P × t.

The ratio of the work done by the second engine to the first engine is

W2 ÷ W1 = (2.6P × t) ÷ (P × t) = 2.6.

To learn more about work length the link:

https://brainly.com/question/13662169

#SPJ4

Assuming the rifle recoils in the same direction as the bullet, the velocity of the rifle after recoil would be 5.44 m/s.

Velocity is a vector quantity that measures the rate of change in the position of an object. It is expressed as a speed and a direction. Velocity is a measure of the rate and direction of motion of an object, and is equal to the displacement of the object divided by the time taken for the displacement. The units of velocity are usually expressed in terms of meters per second (m/s).

This can be calculated using the equation of conservation of momentum, which states that the total momentum of a system must remain constant. Thus, the momentum of the bullet (0.01 kg× 300 m/s) must be equal to the momentum of the rifle (45 kg× v), where v is the velocity of the rifle after recoil. Solving for v yields 5.44 m/s.

To learn more about velocity

https://brainly.com/question/80295?

#SPJ1

To find the current flow in a series circuit with a total resistance of 180 ω and a total voltage of 120 V, we can use Ohm's law,(Ohm’s law states the relationship between electric current and potential difference. The current that flows through most conductors is directly proportional to the voltage applied to it. Georg Simon Ohm, a German physicist was the first to verify Ohm’s law experimentally.)

which states that current (I) equals voltage (V) divided by resistance (R), or

I = V/R. Therefore, the current flow in this circuit would be:

I = 120V/180Ohm

I = 0.67 amperes (A)

So, the current flow in this series circuit is 0.67 A.

To know more about Ohm's law, please click:

brainly.com/question/1247379

#SPJ11

The voltage of approximately 437.5 V must be applied between the filament and target to achieve 70 eV of kinetic energy for the electrons at the sample source (ss).

To determine the voltage needed for electrons to have 70 eV of kinetic energy at the sample source (ss), we can use the equation for kinetic energy (KE) of an electron, which is KE = 1/2 * m * v^2, where m is the mass of the electron and v is its velocity.

However, we can also utilize the relationship between energy and voltage: KE = eV, where e is the elementary charge (1.6 × 10^-19 C) and V is the applied voltage.

Since we want the electrons to have 70 eV of kinetic energy, we can set KE equal to 70 eV and solve for the voltage V:

70 eV = (1.6 × 10^-19 C) * V

To find V, divide both sides by the elementary charge:

V = 70 eV / (1.6 × 10^-19 C) ≈ 437.5 V

To learn more about : voltage

https://brainly.com/question/1176850

#SPJ11